Rhodamine 101 inner salt
Rhodamine 101 inner salt (CAS: 116450-56-7, C32H30N2O3) is a highly fluorescent organic compound with a molecular weight of 490.59 g/mol. Its distinct spectral properties, with excitation and emission maxima around 560 nm and 589 nm respectively in methanol, make it a valuable tool in various scientific disciplines. This compound is primarily utilized as a fluorescent probe and label in biological and chemical research for detection and imaging applications.

Fluorescent Probes and Labels
Rhodamine 101 inner salt serves as an excellent fluorescent probe for a variety of biological and chemical applications. Its bright emission allows for sensitive detection and tracking of molecules and processes in research settings.
Detection and Imaging
Due to its strong fluorescence, this compound is employed in detection systems and imaging techniques. It can be incorporated into labels for particles or used in staining procedures to visualise specific structures.
Wavelength Index Applications
As a compound with well-defined excitation and emission wavelengths, Rhodamine 101 inner salt is useful in studies involving spectral analysis and calibration within specific regions of the electromagnetic spectrum.
| Molecular weight | 490.59 |
|---|---|
| Empirical formula | C32H30N2O3 |
| Solubility | methanol: soluble |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Fluorescence | λex 560 nm; λem 589 nm in methanol |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Rhodamine 101 inner salt used for?
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Rhodamine 101 inner salt is primarily used as a fluorescent probe, label, and in detection applications within biochemical research and diagnostics. Its specific spectral properties make it suitable for imaging and analytical studies.
What is the CAS number and molecular formula for Rhodamine 101 inner salt?
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The CAS number for Rhodamine 101 inner salt is 116450-56-7, and its molecular formula is C32H30N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Rhodamine 101 inner salt as a research grade chemical. We do not represent it as meeting USP, BP, EP, or other pharmacopoeial standards.
How should Rhodamine 101 inner salt be handled safely?
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Rhodamine 101 inner salt is classified as a warning substance. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, and handle in a well-ventilated area. Avoid breathing dust.
How is Rhodamine 101 inner salt packed, shipped, and exported?
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Tech Serve Solutions expertly packs and ships fine chemicals globally. Specific packaging details for Rhodamine 101 inner salt are available upon request to meet regulatory and customer requirements for safe transport and export.
How can I request a sample or quote for Rhodamine 101 inner salt?
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To request a sample or a quotation for Rhodamine 101 inner salt, please contact our sales team via the website or direct inquiry, providing your contact details and the quantity required.
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